Dark Screen Non-Working Fake Dummy Display Model for Vivo X21(Fingerprint Version) (Black) by admin | Jul 12, 2018 | Featured | 0 comments 1. For Vivo X21 (Fingerprint Version) display model with dark screen. 2. One to one simulation. 3. Firm and durable. Source link Submit a Comment Cancel replyYou must be logged in to post a comment.